Base | Representation |
---|---|
bin | 11000010111001000… |
… | …01000110101010001 |
3 | 1020202111022012200202 |
4 | 30023210020311101 |
5 | 203241201042000 |
6 | 10001450424545 |
7 | 642052011404 |
oct | 141344106521 |
9 | 36674265622 |
10 | 13078924625 |
11 | 5601791718 |
12 | 2650132155 |
13 | 1305846770 |
14 | 8c1031d3b |
15 | 518341dd5 |
hex | 30b908d51 |
13078924625 has 24 divisors (see below), whose sum is σ = 17584272888. Its totient is φ = 9654878400.
The previous prime is 13078924609. The next prime is 13078924627. The reversal of 13078924625 is 52642987031.
It can be written as a sum of positive squares in 12 ways, for example, as 12444741136 + 634183489 = 111556^2 + 25183^2 .
It is not a de Polignac number, because 13078924625 - 24 = 13078924609 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 13078924625.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13078924627) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4608707 + ... + 4611543.
It is an arithmetic number, because the mean of its divisors is an integer number (732678037).
It is a 1-persistent number, because it is pandigital, but 2⋅13078924625 = 26157849250 is not.
Almost surely, 213078924625 is an apocalyptic number.
It is an amenable number.
13078924625 is a deficient number, since it is larger than the sum of its proper divisors (4505348263).
13078924625 is an frugal number, since it uses more digits than its factorization.
13078924625 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5702 (or 2855 counting only the distinct ones).
The product of its (nonzero) digits is 725760, while the sum is 47.
The spelling of 13078924625 in words is "thirteen billion, seventy-eight million, nine hundred twenty-four thousand, six hundred twenty-five".
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